Hi, I'mCustomer Welcome to JustAnswer. I'm reviewing your question now, and will post back with your reply ASAP.
You still can send your MS Office files to an email address even if you can't open the files. If you want to open your MS Office attachement please download/buy MS Office from the link below https://www.microsoftstore.com/store/msusa/en_US/cat/All-Office/categoryID.69403900
You can also use the free tool from Google to open your MS files :
Click the + button, click file, open then upload your document
Or : (Another Option)
How to know you can edit Office files
Let me know if you need further help please
Has everything working out, do you still need help please?
Do you still need help please?